Wrench.



No. 643,540. Patented Feb. l3, I900.

- J. RUMERY.

WRENCH.

(Application filed. Jan. 28, 1898.)

(No imel.)

IIHHIIIII UNITED STATES PATENT OFFICE.

JOHN RUMERY, CLEVELAND, OHIO.

WRENCH.

SPECIFICATION forming part of Letters Patent No. 643,540, dated February13, 1900.

Application filed January 28, 1898. Serial No. 668,302. (No model.)

scription, such as will enable others skilled in the art to which itappertains to make and use the same.

My invention relates to an improvement in wrenches; and it consists in ahead having a conical opening made through it, two plates passed overthe head, a handle secured in these plates, and two curved jaws providedwith teeth, combined with pivoted pawls, which are provided with arms, aseparate spring for operating each pawl, and two cams for operatingthe'springs, as will be more fully described hereinafter.

In the accompanying drawings, Figure 1 is a side elevation of thedevice; Figs. 2 and 3, front and rear views, respectively. Fig. 4 is ahorizontal section through the center line. Fig. 5 is a view with oneplate of the handle removed, showing the ratchet mechanism. Fig. 6 is apartly-broken View showing the adaptation of the device to aratchet-drill. Figs. 7'

and 8 show details.

In the drawings, 1 is the head containing the sliding jaws 2, which movein the slotted openings 3, inclosing them on alternate sides at thefront and rear of the head, and are curved to conform to the curvedshape of the jaws diverging toward the inner face of the head. About thecenter of the head is swung the handle 4 by means of the plates 5,secured to either side of the handle and sleeved over the circularshoulders 6 upon the head adapted to receive them. Between these platesis secured the ratchet-ring 7, which is engaged alternately by pawls 8,pivoted within the handle 9 on either side, and forced into engagementwith the ratchet-teeth by means of the spring 10. Arms 11, secured tothe hubs 12 of these pawls, are engaged by the eccentrics 13, mountedupon the disk 14, which is rotated by means of the pin 15 andthumb-piece 16, so as to engage the arm of either pawl and make theratchet movement right or left, as desired.

17is a ring threaded in its inner surface to engage the sectionalscrew-threads upon the outer edges of the curved jaws. This ring issleeved over the head'at 1s and secured by means of the cap 19, which isattached to the end of the hub and fastens all the parts together. Byturning the ring 17 either way the jaws are either separated or broughttogether as they slide in the diagonally-curved grooves which follow thesomewhat conical shape of the head. The inner face of the head is provided with a cup-shaped depression 27, in which the nuts to be operatedupon are inserted.

20 is a screw-threaded brace-rod provided with the conical head 21.inserted in the screw-threaded opening 22 through the center of the headand serves as a brace when the tool is employed as a drill, as shown inFig. 6.

I believe myself to be the first to invent a combined ratchet-drill andmonkey-wrench,

and therefore claim as my invention and desire to secure by LettersPatent- 1. The head having a conical opening made therethrough,theplates sleeved over the head, the handle secured in the plates, the twocurved jaws provided with teeth, the toothed ring for engaging with thejaws, and the ratchet-ring, combined with the two pivoted pawls,provided with arms, a spring for operating each pawl, and two cams foroperating the springs so as to cause the pawls to alternately engagewith the ratchet-ring, and a handle for causing the cams to revolve,substantially as shown.

This brace-rod is- 2. In a wrench, the circular head having a conicalrecess in its outer face and provided with slotted openings, the curvedjaws which pass through the slotted openings and have their outer endsbearing against the sides of the conical recess in the head, a toothedring which engages with the outer toothed edges of the jaws, and aratchet-rim g which is placed upon the head, combined with plates whichare sleeved over the head upon opposite sides of the ratchet-ring, thetwo pawls provided with arms, the springs for operating the pawls, thetwo slotted cams, and an operating-handle upon which they are pivoted;the central portion of the head being provided with an opening toreceive a screw, substantially as set forth.

In testimony whereof I set my hand this 24th day of January, 1898.

JOHN RUMERY. Witnesses:

WM. M. MONROE, J OHN H. BEHR.

